Ebook: Ruby in a Nutshell: A Desktop Quick Reference

Written by Yukihiro Matsumoto, creator of the language, Ruby Essentials is a practical, concise reference covering everything from Ruby syntax to the specifications of its standard class libraries. It is based on Ruby 1.6, but its contents will remain applicable to future versions of Ruby, as well. This quick start guide provides an introduction to the language, examples, and language reference to get you going.